Home / 45,827.91-68,720.13-17,761.05

Finding the Fourth Proportional to 45,827.91, 68,720.13 and 17,761.05

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Solution

The fourth proportional to 45,827.91, 68,720.13 and 17,761.05 is: 26,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,827.91 : 68,720.13 = 17,761.05 : x
  2. Step 2: Convert to fraction form
    45,827.91/68,720.13 = 17,761.05/x
  3. Step 3: Cross multiply
    45,827.91x = 68,720.13 × 17,761.05
  4. Step 4: Simplify right side
    45,827.91x = 1,220,541,664.94
  5. Step 5: Solve for x
    x = 1,220,541,664.94/45,827.91
  6. Step 6: Final answer
    x = 26,633.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.